HT4100 4.1, 4.5, 4.9 Discussion, Code E15??????? in Cadillac Engine Discussion; Okay here's the deal. I cleared all the codes out and started the car, let it run and warm up. ...
- 09-23-07 06:00 PM #1Cadillac Owners Member
- Automobile(s): 82 Fleetwood Brougham Coupe
- Join Date
- Jul 2006
Okay here's the deal. I cleared all the codes out and started the car, let it run and warm up. As it warms up the idle gets higher and the check engine light comes on. Its showing an E15 code (open coolant temp sensor). Where is this sensor located, and would that have a direct effect on the idle speed? The car is an 82 Fleetwood Brougham, with the "wonderful" HT 4100. Any help would be greatly appreciated.
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